ATE172780T1 - METHOD, EQUIPMENT AND APPARATUS FOR GENERATING AND INJECTING FOAM FOR SOIL EXCAVATION - Google Patents

METHOD, EQUIPMENT AND APPARATUS FOR GENERATING AND INJECTING FOAM FOR SOIL EXCAVATION

Info

Publication number
ATE172780T1
ATE172780T1 AT93401893T AT93401893T ATE172780T1 AT E172780 T1 ATE172780 T1 AT E172780T1 AT 93401893 T AT93401893 T AT 93401893T AT 93401893 T AT93401893 T AT 93401893T AT E172780 T1 ATE172780 T1 AT E172780T1
Authority
AT
Austria
Prior art keywords
generating
equipment
soil excavation
injecting foam
foam
Prior art date
Application number
AT93401893T
Other languages
German (de)
Inventor
Michel Hebert
Dominique Dupuch
Original Assignee
Sika S A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sika S A filed Critical Sika S A
Application granted granted Critical
Publication of ATE172780T1 publication Critical patent/ATE172780T1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
    • E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
    • E21D9/0642—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield having means for additional processing at the front end
    • E21D9/0678—Adding additives, e.g. chemical compositions, to the slurry or the cuttings
    • E21D9/0685—Foaming agents

Abstract

The partition (8) of the confinement chamber (9), the front and the rear of the excavator disc (7), the screw (10) for the removal of debris, as well as the peripheral skirt (6) of the boring tool (1), are provided with orifices (21) for injection of foam, in proximity to each of which at least one pressurised foam generator device (24) is situated, which device has its own operational control. <IMAGE>
AT93401893T 1992-07-22 1993-07-22 METHOD, EQUIPMENT AND APPARATUS FOR GENERATING AND INJECTING FOAM FOR SOIL EXCAVATION ATE172780T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9209056A FR2694045B1 (en) 1992-07-22 1992-07-22 Method, equipment and device for generating and injecting foam for tunneling.

Publications (1)

Publication Number Publication Date
ATE172780T1 true ATE172780T1 (en) 1998-11-15

Family

ID=9432151

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93401893T ATE172780T1 (en) 1992-07-22 1993-07-22 METHOD, EQUIPMENT AND APPARATUS FOR GENERATING AND INJECTING FOAM FOR SOIL EXCAVATION

Country Status (4)

Country Link
EP (1) EP0580510B1 (en)
AT (1) ATE172780T1 (en)
DE (1) DE69321782D1 (en)
FR (1) FR2694045B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE254238T1 (en) * 1997-09-02 2003-11-15 Riccardo Dr Bernasconi METHOD FOR CREATING A TUNNEL
EP2284360A1 (en) * 2009-08-14 2011-02-16 Meyer & John GmbH & Co. KG Thrust method
EP2910733B1 (en) 2014-02-25 2018-03-21 MC-Bauchemie Müller GmbH & Co. KG Chemische Fabriken Foam generator for an earth pressure shield tunnel propulsion machine and method for conditioning removed soil material as a support medium for an earth pressure shield
JP6423185B2 (en) * 2014-07-09 2018-11-14 株式会社フジタ Bubble shield method
JP6426383B2 (en) * 2014-07-09 2018-11-21 株式会社フジタ Bubble shield method
CN105484754B (en) * 2015-12-22 2017-12-08 上海隧道工程有限公司 A kind of modular shield foaming system
CN108952736A (en) * 2018-07-04 2018-12-07 上海市基础工程集团有限公司 For shield disintegration underground conveying device and construction method
DE102020106987A1 (en) 2020-03-13 2021-09-16 Herrenknecht Aktiengesellschaft Foam generation structure and foam generation module with a foam generation structure
CN113446022B (en) * 2021-07-26 2022-03-22 中铁工程装备集团有限公司 Shield tunneling control system and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61282597A (en) * 1985-06-05 1986-12-12 株式会社熊谷組 Foaming method and device for method of construction of shield excavation
JPS6219212A (en) * 1985-07-17 1987-01-28 Kumagai Gumi Ltd Treatment of excavated earth and sand

Also Published As

Publication number Publication date
DE69321782D1 (en) 1998-12-03
FR2694045A1 (en) 1994-01-28
FR2694045B1 (en) 1994-10-14
EP0580510A1 (en) 1994-01-26
EP0580510B1 (en) 1998-10-28

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